Assertion list for term "difficult to operate".
Results from Ascent++: 5
machine → ReceivesAction → difficult to operate 0.39
clasp → ReceivesAction → difficult to operate 0.30
door → ReceivesAction → difficult to operate 0.29
handle → ReceivesAction → difficult to operate 0.28
valve → ReceivesAction → difficult to operate 0.24